Specifications: Product material: ABS Product size: 63*37*12mm/2.48*1.46*0.4" Product weight: 35 g Product color: Black Rated voltage: 3V(CR2032) Installation: wireless Learning frequency range: 287MHz,300MHz ,306MHz ,310MHz ,315MHz, 315.5MHz ,330MHz, 360MHz ,390MHz, 410MHz, 430.5MHz, 433.42MHz, 433.92MHz, 868.35MHz, 286-361MHz, 384-400MHz. Radio transmission distance: 30-100m (Open area) Scope of application: garage door, alarm, automatic door, rolling door, etc. Feature: A.1 new = 4 olds B.For Fixed code+Rolling code+Learning code C.All of our items are brand new D.One to one key copy E.Each key password alone save F.Can continuous repetitive copy use one million times E.Clone in 10 secondsAfter cloning the rolling code remote control, you also need to program on the receiver Easy to use This is a clone remote control, it needs to clone your original remote control face to face. If your remote control is a fixed code, after cloning, the new remote control will work. If your remote control is rolling code, after cloning, the new remote control needs to be programmed / activated on the receiver, the new remote control works. I will provide you with detailed instructions in the package, it is a card. Include Remote Control Battery Keychain English Manual